HBr + SO2 →SO₂ + Br₂ Match the following for the above reaction. Drag and drop options on the right-hand side and submit. For keyboard navigation... SHOW MORE ✓ What is being oxidized? What is being reduced? Oxidizing Agent Reducing Agent Oxidation half reaction ||| ||| III = = ||| III = HBr Br SO²- HBr Br₂ S

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Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.